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| Name | Lines | Methods | CRAP | ||||
|---|---|---|---|---|---|---|---|
| __construct | 100.00% | 6 / 6 | 100.00% | 1 / 1 | 1 | ||
| fromRequest | 100.00% | 22 / 22 | 100.00% | 1 / 1 | 4 | ||
| validateLimit | 100.00% | 2 / 2 | 100.00% | 1 / 1 | 1 | ||
| 31 | class PaginationRequest | |
| 32 | { | |
| 33 | public int $limit { | |
| 34 | get { | |
| 35 | return $this->limit; | |
| 36 | } | |
| 37 | } | |
| 38 | ||
| 39 | public int $offset { | |
| 40 | get { | |
| 41 | return $this->offset; | |
| 42 | } | |
| 43 | } | |
| 44 | ||
| 45 | public int $page { | |
| 46 | get { | |
| 47 | return $this->page; | |
| 48 | } | |
| 49 | } | |
| 50 | ||
| 51 | public int $perPage { | |
| 52 | get { | |
| 53 | return $this->perPage; | |
| 54 | } | |
| 55 | } | |
| 56 | ||
| 57 | public bool $isPageBased { | |
| 58 | get { | |
| 59 | return $this->isPageBased; | |
| 60 | } | |
| 61 | } | |
| 62 | ||
| 63 | public bool $isOffsetBased { | |
| 64 | get { | |
| 65 | return $this->isOffsetBased; | |
| 66 | } | |
| 67 | } | |
| 68 | ||
| 69 | /** | |
| 70 | * Constructor | |
| 71 | * | |
| 72 | * @param int $limit Items per page | |
| 73 | * @param int $offset Starting offset | |
| 74 | * @param int $page Current page number | |
| 75 | * @param int $perPage Items per page (alias for limit) | |
| 76 | * @param bool $isPageBased Whether page-based pagination was used | |
| 77 | * @param bool $isOffsetBased Whether offset-based pagination was used | |
| 78 | */ | |
| 79 | private function __construct( | |
| 80 | int $limit, | |
| 81 | int $offset, | |
| 82 | int $page, | |
| 83 | int $perPage, | |
| 84 | bool $isPageBased, | |
| 85 | bool $isOffsetBased, | |
| 86 | ) { | |
| 87 | $this->limit = $limit; | |
| 88 | $this->offset = $offset; | |
| 89 | $this->page = $page; | |
| 90 | $this->perPage = $perPage; | |
| 91 | $this->isPageBased = $isPageBased; | |
| 92 | $this->isOffsetBased = $isOffsetBased; | |
| 93 | } | |
| 94 | ||
| 95 | /** | |
| 96 | * Creates a PaginationRequest from a Symfony Request object | |
| 97 | * | |
| 98 | * @param Request $request The HTTP request | |
| 99 | * @param int $defaultPerPage Default items per page | |
| 100 | * @param int $maxPerPage Maximum allowed items per page | |
| 101 | * @return self | |
| 102 | */ | |
| 103 | public static function fromRequest(Request $request, int $defaultPerPage = 25, int $maxPerPage = 100): self | |
| 104 | { | |
| 105 | // Parse query parameters | |
| 106 | $page = Filter::filterVar($request->query->get('page'), FILTER_VALIDATE_INT, default: 1); | |
| 107 | $perPage = Filter::filterVar($request->query->get('per_page'), FILTER_VALIDATE_INT, default: null); | |
| 108 | $limit = Filter::filterVar($request->query->get('limit'), FILTER_VALIDATE_INT, default: null); | |
| 109 | $offset = Filter::filterVar($request->query->get('offset'), FILTER_VALIDATE_INT, default: null); | |
| 110 | ||
| 111 | // Validate page number | |
| 112 | if ($page < 1) { | |
| 113 | $page = 1; | |
| 114 | } | |
| 115 | ||
| 116 | // Determine pagination style and values | |
| 117 | $isOffsetBased = false; | |
| 118 | $isPageBased = false; | |
| 119 | ||
| 120 | // Priority: explicit offset > page-based > defaults | |
| 121 | if ($offset !== null) { | |
| 122 | // Offset-based pagination | |
| 123 | $isOffsetBased = true; | |
| 124 | $offset = max(0, $offset); // Ensure non-negative | |
| 125 | $limit ??= $perPage ?? $defaultPerPage; | |
| 126 | $limit = self::validateLimit($limit, $maxPerPage); | |
| 127 | $perPage = $limit; | |
| 128 | // Calculate page from offset | |
| 129 | $page = (int) floor($offset / $limit) + 1; | |
| 130 | } | |
| 131 | ||
| 132 | if ($offset === null) { | |
| 133 | // Page-based pagination | |
| 134 | $isPageBased = true; | |
| 135 | $perPage ??= $limit ?? $defaultPerPage; | |
| 136 | $perPage = self::validateLimit($perPage, $maxPerPage); | |
| 137 | $limit = $perPage; | |
| 138 | // Calculate offset from page | |
| 139 | $offset = ($page - 1) * $perPage; | |
| 140 | } | |
| 141 | ||
| 142 | return new self((int) $limit, $offset, $page, (int) $perPage, $isPageBased, $isOffsetBased); | |
| 143 | } | |
| 144 | ||
| 145 | /** | |
| 146 | * Validates and constrains the limit value | |
| 147 | * | |
| 148 | * @param int $limit The limit to validate | |
| 149 | * @param int $maxPerPage Maximum allowed limit | |
| 150 | * @return int Validated limit | |
| 151 | */ | |
| 152 | private static function validateLimit(int $limit, int $maxPerPage): int | |
| 153 | { | |
| 154 | // Ensure the limit is at least 1 | |
| 155 | $limit = max(1, $limit); | |
| 156 | ||
| 157 | // Ensure limit doesn't exceed maximum | |
| 158 | return min($limit, $maxPerPage); | |
| 159 | } | |
| 160 | } |